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Unfolding neutron spectra obtained from BS-TLD system using genetic algorithm
J A L Santos1, E R Silva, T A E Ferreira
1Nuclear Energy Department of Federal University of Pernambuco-DEN/UFPE, Pernambuco, Brazil. jasantos@cnen.gov.br
Abstract:
Due to the variability of neutron spectrum within the same environment, it is essential that the spectral distribution as a function of energy should be characterized. The precise information allows radiological quantities establishment related to that spectrum, but it is necessary that a spectrometric system covers a large interval of energy and an unfolding process is appropriate. This paper proposes use of a technique of Artificial Intelligence (AI) called genetic algorithm (GA), which uses bio-inspired mathematical models with the implementation of a specific matrix to unfolding data obtained from a combination of TLDs embedded in a BS system to characterize the neutron spectrum as a function of energy. The results obtained with this method were in accordance with reference spectra, thus enabling this technique to unfold neutron spectra with the BS-TLD system.
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